... .3. The common mold steel we use are NAK80, P20, 4140, S50C4. We have 15years experience in making rubber moulds, especially ... products workshop, we can test the mold before ship the mold to customer.6. We are currently making molds for Japan, Italy, UK ... discuss with customer about the mold design prior to mold making.8. Lead-time, prototype mold in 3-7days, production mold in 1-2weeks, complicated ...